#pragma once

#include <iostream>
#include <fstream>
#include <string>
#include <unordered_map>
#include "Log.hpp"
#include "InetAddr.hpp"

const std::string defaultdict = "./dictionary.txt";
const std::string sep = ": ";

using namespace LogModule;

class Dict
{
public:
    Dict(const std::string &path = defaultdict) : _dict_path(path)
    {}

    bool LoadDict()
    {
        std::fstream in(_dict_path);
        if(!in.is_open())
        {
            LOG(LogLevel::DEBUG) << "打开字典: " << _dict_path << " 错误";
            return false;
        }

        std::string line;
        while (std::getline(in, line))
        {
            /* code */
            //apple: 苹果
            auto pos = line.find(sep);
            if(pos == std::string::npos)
            {
                LOG(LogLevel::WARNING) << "解析: " << line << " 失败";
                continue;
            }
            std::string English = line.substr(0, pos);
            std::string Chinese = line.substr(pos + sep.size());

            if(English.empty() || Chinese.empty())
            {
                LOG(LogLevel::WARNING) << "没有有效内容: " << line;
                continue;
            }

            _dict.insert(std::make_pair(English, Chinese));
            LOG(LogLevel::DEBUG) << "加载: " << line;
        }
        in.close();
        return true;
    }

    std::string Translate(const std::string word, InetAddr &client)
    {
        auto iter = _dict.find(word);
        if(iter == _dict.end())
        {
            LOG(LogLevel::DEBUG) << "进入到了翻译模块, [" << client.IP() << " : " << client.PORT() << "]# " << word << "->None";
            return "None";
        }

        LOG(LogLevel::DEBUG) << "进入到了翻译模块, [" << client.IP() << " : " << client.PORT() << "]# " << word << "->" << iter->second;
        return iter->second;
    }

    ~Dict()
    {}

private:
    std::string _dict_path;
    std::unordered_map<std::string, std::string> _dict;
};